How do you solve the system $y = - x, y = - x - 4$ $y=-x, y=-x-4$ ?

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How do you solve the system $y = - x, y = - x - 4$ $y=-x, y=-x-4$ ?

1 Answer

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Answer 1 · 2016-12-15T01:04:59

There are no "solutions"; the pair of equations represent two parallel lines.

Explanation:

If both $y = - x$ $y=-x$ and $y = - x - 4$ $y=-x-4$ were true for some values of $x$ $x$ and $y$ $y$
then
$y + x$ $y+x$ would have to be equal to both $0$ $0$ and $- 4$ $-4$ for those values.

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How do you solve the system $y = - x, y = - x - 4$ $y=-x, y=-x-4$ ?

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How do you solve the system y=−x,y=−x−4y=-x, y=-x-4?

1 Answer

Explanation:

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How do you solve the system $y = - x, y = - x - 4$ $y=-x, y=-x-4$ ?